0.0,	0
10.0,	0
19.0,	0
20.0,   1
30.0,   1
31.0,	0
45.0,   0
46.0,	-0.5
55.0,	-0.5
56.0,   0
65.0,	0
66.0,	-0.5
75.0,   -0.5
76.0,	0
80.0,	0
81.0,   0.2
85.0,   0.2
86.0,   0
88.0,   0
89.0,   -0.2
93.0,   -0.2
94.0,	0
100,	0